NEED Google adsense clone scripts

Hi,

i wanna start adsense similar business in my country, i heard from some people openx - is good solution, but i dont know what to do,

I wanna know which scripts can be good..

i might need three options

one is publisher, advertiser and agents

can anyone advice me ??

thanks

 

paid scripts is also ok, and if anyone have his own developed also ok, plz pm me with details